President Poroshenko of Ukraine says a deal to end the war in the east is in "great danger" amid intense fighting ahead of Saturday night's ceasefire.

A consignment of former British military Saxon armoured vehicles has been delivered to Ukraine, the Ministry of Defence has confirms.

Islamic State militants capture an Iraqi town about 8km (five miles) from an airbase housing hundreds of US troops, the Pentagon says.

An audit in Sierra Leone reveals that a third of internal donations are not properly accounted for, raising questions over the management of the funds.

The UK's three main political leaders make a pledge to work together to combat climate change, whatever the election result.

David Cameron asks a health adviser to review whether people with obesity or drug problems should have sickness benefits cut if they refuse treatment.

A boy seriously wounded in a school massacre in Pakistan is to undergo surgery in Birmingham, after his country's government agrees to pay for his treatment.

Scientists are to scan the Amazon forest with a drone-mounted laser to look for evidence of occupation by ancient civilisations.